Swapping Tuners with Comcast Digital Video Recorders

If you're a customer of Comcast and have their DVR, then you might notice a little button on the bottom left of the remote control titled "Swap." Many Comcast DVR users don't know about this neat little button. For more info on the "Swap" button, read my quick tip, Swapping Tuners on the Comcast DCH3416 Digital Video Recorder.